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Mizuno Pro S-1 IRON SET (#4 - PW)

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Size Guide
Shaft: DYNAMIC GOLD 120
Flex: S200

Return & Exchange Policy

Products purchased from Mizuno Hong Kong Online can be returned or exchanged within 7 days from the date of receipt.

1. Please ensure the products meet the following conditions before applying for return or exchange:

  • The product must be sold at original price
  • The product must be intact, unused, unwashed, and free of any graffiti, stains, or scratches
  • The product must retain its original condition and all original packaging (including original plastic bags, shoebox, etc.), without affecting the item’s resale ability
  • All accessories, manuals, tags, labels, and order receipts must be complete
  • All discounted items are not eligible for return or exchange
  • For hygiene reasons, sports protective gear, underwear, leggings, socks, and towels are non-returnable and non-exchangeable
  • Only one return or exchange request is allowed per order
  • If you apply for return or exchange for only one item in the order and it is accepted, you cannot apply for return or exchange for other items in the same order afterwards

2. Exchange

  • Exchanges are only allowed for the same style and color
  • When applying for an exchange, please provide the desired size and other relevant information of the item to be exchanged
  • If the item you wish to exchange is out of stock, we will notify you by email and arrange a return
  • The exchanged item will be shipped to the original delivery address and is expected to be completed within 5-10 working days

In case of any dispute, Mizuno Hong Kong Online reserves the final right of decision

 In-store inventory inquiry
SKU: MP-S1-Custom
HK$0.00
HK$0.00

This Model Is available via the Custom Order Channel

Clubs available: #4 ~ PW.

Legacy Reborn

The Mizuno Pro S-1 irons are pure muscle backs, designed for players who demand ultimate precision and workability. At the core of the Mizuno Pro S-1 is Mizuno’s Grain Flow Forged HD process, carefully executed in Hiroshima, Japan. Forged from a single billet of 1025E Pure Select Mild Carbon Steel, the S-1 delivers the unmistakably soft and responsive feel through impact that Mizuno is globally known for. The inclusion of a copper underlay further
optimizes this experience, subtly refining vibration patterns to produce the purest, most satisfying feedback.

Channel Back Design

PROVIDES MORE CONSISTENT CG LOCATION, EVEN MORE SOLID FEEL, AND GREATER VERTICAL STABILITY

The innovative Channel Back Design subtly repositions mass behind the face to achieve a more stable vertical center of gravity, resulting in consistent launch conditions. Simultaneously, it offers a firmer, tour-preferred sensation, enhancing responsiveness without sacrificing the purity of feel.

TOUR-TESTED AND CONFIRMED SOLE

TOUR TESTED AND CONFIRMED SOLE: IMPROVED TURF INTERACTION BY REDUCING THE CAMBER HEIGHT, A SHARPER LEADING EDGE, AND INCREASED BOUNCE ANGLE

The S-1 sole has been carefully refined through tour input, featuring a flatter camber profile, sharpened leading edge, and increased bounce angle. This design ensures smoother turf interaction—particularly beneficial for shallower swings—minimizing digging and allowing players to maintain aggressive angles of attack with confidence.

HARMONIC IMPACT TECHNOLOGY (HIT)

CHANNEL BACK PROVIDES AN EVEN MORE SOLID FEEL.

Mizuno’s proprietary Harmonic Impact Technology works in tandem with the channel back geometry to fine-tune vibration frequencies, delivering a slightly firmer—but still satisfyingly solid—impact sensation. It’s engineered for players who desire auditory and tactile feedback that inspires confidence with every strike.

COPPER UNDERLAY

INCREMENTAL SOFTER IMPACT FEEL COMBINED WITH HIT, FOR THE ULTIMATE IMPACT SENSATION

A thin layer of copper beneath the chrome plating, adds a layer of nuance to the feel at impact. This feature subtly softens vibration, enriching the feedback while maintaining a crisp response. Paired with H.I.T., it creates what Mizuno describes as the ultimate “sensory connection” between golfer and club.

FURTHER OPTIMIZED GRAIN FLOW FORGED HD (HIGH DENSITY)

FROM A SINGLE BILLET OF 1025E MILD CARBON STEEL IN HIROSHIMA JAPAN FOR UNMISTAKABLE MIZUNO FEEL THROUGH IMPACT.

The S-1 iron is masterfully Grain Flow Forged HD from a single billet of 1025E Pure Select Mild Carbon Steel in Hiroshima, Japan—a testament to Mizuno’s heritage in precision forging. This advanced forging process creates a tighter grain structure, delivering the brand’s legendary buttery-soft feel through impact, while enhancing feedback and consistency across the set.

SOFT WHITE SATIN FINISH

NICKEL CHROME SATIN FINISH FOR SOPHISTICATED LOOK WITH GLARE REDUCTION

The irons are finished in a sophisticated Nickel Chrome Soft White Satin, offering a premium, tour-inspired aesthetic. Beyond its visual appeal, the satin treatment effectively reduces glare at address, promoting unwavering focus and visual clarity in all lighting conditions.

CLUB SPECIFICATIONS:

NO. Length Loft Lie Offset"
4 38.75 24 60.5 0.098
5 38.25 27 61 0.094
6 37.75 30 61.5 0.091
7 37.25 34 62 0.087
8 36.75 38 62.5 0.083
9 36.25 42 63 0.079
PW 35.75 46 63.5 0.075

 

  • Custom Fitting options available in Hong Kong.
  • Only Right Hand option available for this model.

For Custom Fitting Information, please contact our support.